Stage 3 Cylinder Head Package

Description

The JAM Stage 3 cylinder head package is designed for use on larger displacement engines with higher boost or smaller displacement race engines utilizing high RPM. This cylinder head includes +1mm oversized valves, full porting including combustion chamber enhancement, manganese bronze valve guides and dual valve springs. Please call or email us to discuss the particular aspects of your project. Since the heads are custom ported for each customer, we have the ability to tailor the head to your needs to maximize its efficiency.